
/**
 * 将字符串参数转换成果断对象
 * 例:id=1&name=zhangsan&age=13
 * 返回:{"id":"1","name":"zhangsan","age":"13"}
 */
function transParamToJson(str){
	if(str==null||str==""){
		return {};
	}else{
		var paramArr=str.split("&");
		var keyValueArr=[];
		var result="{";
		for(var i=0,len=paramArr.length;i<len;i++){
			keyValueArr=paramArr[i].split("=");
			result+="\""+keyValueArr[0]+"\":\""+keyValueArr[1]+"\",";
		}
		result=result.length>1?result.substring(0,result.length-1):result;
		result+="}";
		return $.parseJSON(result);
	}
}

/**
 * 人民币数字转汉字
 * @param currencyDigits
 * @returns {String}
 */
function convertCurrency(currencyDigits) {
	// Constants:
	var MAXIMUM_NUMBER = 99999999999.99;
	// Predefine the radix characters and currency symbols for output:
	var CN_ZERO = "零";
	var CN_ONE = "壹";
	var CN_TWO = "贰";
	var CN_THREE = "叁";
	var CN_FOUR = "肆";
	var CN_FIVE = "伍";
	var CN_SIX = "陆";
	var CN_SEVEN = "柒";
	var CN_EIGHT = "捌";
	var CN_NINE = "玖";
	var CN_TEN = "拾";
	var CN_HUNDRED = "佰";
	var CN_THOUSAND = "仟";
	var CN_TEN_THOUSAND = "万";
	var CN_HUNDRED_MILLION = "亿";
	var CN_SYMBOL = "人民币";
	var CN_DOLLAR = "元";
	var CN_TEN_CENT = "角";
	var CN_CENT = "分";
	var CN_INTEGER = "整";

	// Variables:
	var integral; // Represent integral part of digit number.
	var decimal; // Represent decimal part of digit number.
	var outputCharacters; // The output result.
	var parts;
	var digits, radices, bigRadices, decimals;
	var zeroCount;
	var i, p, d;
	var quotient, modulus;

	// Validate input string:
	currencyDigits = currencyDigits.toString();
	if (currencyDigits == "") {
	alert("Empty input!");
	return "";
	}
	if (currencyDigits.match(/[^,.\d]/) != null) {
	alert("Invalid characters in the input string!");
	return "";
	}
	if ((currencyDigits).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)|(\d+(.\d+)?))$/) == null) {
	alert("Illegal format of digit number!");
	return "";
	}

	// Normalize the format of input digits:
	currencyDigits = currencyDigits.replace(/,/g, ""); // Remove comma delimiters.
	currencyDigits = currencyDigits.replace(/^0+/, ""); // Trim zeros at the beginning.
	// Assert the number is not greater than the maximum number.
	if (Number(currencyDigits) > MAXIMUM_NUMBER) {
	alert("Too large a number to convert!");
	return "";
	}

	// Process the coversion from currency digits to characters:
	// Separate integral and decimal parts before processing coversion:
	parts = currencyDigits.split(".");
	if (parts.length > 1) {
	integral = parts[0];
	decimal = parts[1];
	// Cut down redundant decimal digits that are after the second.
	decimal = decimal.substr(0, 2);
	}
	else {
	integral = parts[0];
	decimal = "";
	}
	// Prepare the characters corresponding to the digits:
	digits = new Array(CN_ZERO, CN_ONE, CN_TWO, CN_THREE, CN_FOUR, CN_FIVE, CN_SIX, CN_SEVEN, CN_EIGHT, CN_NINE);
	radices = new Array("", CN_TEN, CN_HUNDRED, CN_THOUSAND);
	bigRadices = new Array("", CN_TEN_THOUSAND, CN_HUNDRED_MILLION);
	decimals = new Array(CN_TEN_CENT, CN_CENT);
	// Start processing:
	outputCharacters = "";
	// Process integral part if it is larger than 0:
	if (Number(integral) > 0) {
	zeroCount = 0;
	for (i = 0; i < integral.length; i++) {
	p = integral.length - i - 1;
	d = integral.substr(i, 1);
	quotient = p / 4;
	modulus = p % 4;
	if (d == "0") {
	zeroCount++;
	}
	else {
	if (zeroCount > 0)
	{
	outputCharacters += digits[0];
	}
	zeroCount = 0;
	outputCharacters += digits[Number(d)] + radices[modulus];
	}
	if (modulus == 0 && zeroCount < 4) {
	outputCharacters += bigRadices[quotient];
	}
	}
	outputCharacters += CN_DOLLAR;
	}
	// Process decimal part if there is:
	if (decimal != "") {
	for (i = 0; i < decimal.length; i++) {
	d = decimal.substr(i, 1);
	if (d != "0") {
	outputCharacters += digits[Number(d)] + decimals[i];
	}
	}
	}
	// Confirm and return the final output string:
	if (outputCharacters == "") {
	outputCharacters = CN_ZERO + CN_DOLLAR;
	}
	if (decimal == "") {
	outputCharacters += CN_INTEGER;
	}
	outputCharacters = CN_SYMBOL + outputCharacters;
	return outputCharacters;
	}